Mechanical Engineer II

Company: Raytheon
Location: Portsmouth
Posted on: March 17, 2026

Job Description:

Date Posted: 2026-02-10 Country: United States of America Location: US-RI-PORTSMOUTH-PS3 ~ 1847 W Main Rd ~ NIMITZ WEST BLDG Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.? U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling – to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today’s mission and stay ahead of tomorrow’s threat. Our team solves tough, meaningful problems that create a safer, more secure world. The Raytheon Mechanical Engineering (ME) Organization leads the mechanical hardware design, development and production support of a wide breadth of air, land, sea, and space systems. The ME team strives to be the premier organization for mechanical design and development through our world class people and technology - creating trusted, innovative solutions to make the world a safer place. ME’s capabilities encompass a broad range of technical disciplines which include engineering, technical services, materials, processes, analysis, test, and documentation. Within the ME Organization, the Undersea, Sensors & Structures (USS) Department leads the mechanical design, development, and integration of a set of products, including but not limited to undersea sensors and analysis, naval platforms, shipboard/ground-based processing and power equipment, and launchers. The USS department is looking for a full-time Mechanical Engineer II, located in Portsmouth, RI. What You Will Do: Perform mechanical design, development, and documentation of components, sub-assemblies, and major end items for defense system equipment in accordance with system requirements. Collaborate across multiple disciplines/functions (i.e. structural/thermal analyses and electrical engineering) to solve complex technical challenges in a fast-paced, team environment. Validate design fit and functionality by rapid prototyping and/or simulation Support the factory and suppliers with product integration Participate in design peer reviews, resolving action items, and conduct trade studies to make sound technical decisions. Occasional CONUS travel to customer sites or suppliers is generally required. International and longer duration travel assignments are available but optional Qualifications You Must Have: Typically requires a Bachelor's Degree in Science, Technology, Engineering, and Mathematics (STEM) and a minimum of 2 years of prior relevant experience. An advanced degree in a related field may be substituted. Minimum of 2 years of experience in mechanical design, documentation and fabrication. The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. Qualifications We Prefer: Experience in the specification, design, development, production and testing of undersea systems and electronics packaging. Knowledge of design for long term submergence, sealing, and corrosion resistance. Experience on DoD programs. Experience with PTC CREO and PDM. Experience with ANSI/ASME Y14.5 GD&T experience. Experience managing financial and schedule performance of mechanical tasking. Working knowledge of Military and Commercial Specifications. Demonstrated ability to solve difficult problems while working as part of a team Strong written and verbal communication skills. Experience with configuration management systems. Experience with 3-D modeling software Experience with creating engineering drawings/prints Experience with metal fabrication and/or assembly joining techniques (fasteners, rivets, inserts), or welding and/or bonding. RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA. The following position is to join our RTX Corporate, Enterprise Services, Research Center or BBN team: What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Learn More & Apply Now! RTX solves some of the toughest challenges in aerospace and defense. That requires expansive thinking and bold innovation. Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills.Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement.Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Keywords: Raytheon, Cambridge , Mechanical Engineer II, Engineering , Portsmouth, Massachusetts